# N9711X: Cessna 210B, registration cancelled 1992-01-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 30, 1992
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 210B](https://openairdocs.org/model/cessna-210b) (registry code 2073410)
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21) (OpenAirDocs)
- Serial number: 21058011
- Type of aircraft: Fixed wing single engine
- Certificate issued: October 26, 1988
- Last registry action: December 21, 1991
- Mode S code: AD89ED
- Owners when cancelled: [Allen Fred W](https://openairdocs.org/faa-owner/ALLEN%20FRED%20W), [Epidendio Richard S](https://openairdocs.org/faa-owner/EPIDENDIO%20RICHARD%20S), [Bernardi John A](https://openairdocs.org/faa-owner/BERNARDI%20JOHN%20A), [Muller Francis J Jr](https://openairdocs.org/faa-owner/MULLER%20FRANCIS%20J%20JR)
- Location: [Greenbrae, CA](https://openairdocs.org/faa-place/CA/Greenbrae)
- Owner type: Co-owned
- Owner's area on the map: 37.9438° N, 122.5531° W: Placed by OpenAirDocs at the center of ZIP code 94904, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9711X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9711X
- Page: https://openairdocs.org/deregistered/N9711X-1992-01-30

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Cessna 210B: https://openairdocs.org/model/cessna-210b.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN91LA106](https://openairdocs.org/ntsb/DEN91LA106), Aug 1, 1991: Cessna 210B (N9711X), Aspen, CO, destroyed. Probable cause: A PILOT INDUCED INADVERTENT STALL. FACTORS WERE: THE PILOT'S FAILURE TO ASCERTAIN THE LANDING GEAR WAS DOWN AND LOCKED IN A TIMELY MANNER, A LOW (FLUID) LEVEL IN HYDRAULIC RESERVOIR, CAUSING THE…

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19910801031149A](https://openairdocs.org/incident/19910801031149A), Aug 1, 1991: Cessna 210B (N9711X), Aspen, CO, Destroyed. Unsafe gear on approach. Began belated go around. Unable climb. Stalled. Hydraulic reservoir empty. No leaks noted.
- [Incident 19800415050909I](https://openairdocs.org/incident/19800415050909I), Apr 15, 1980: Cessna 210B (N9711X), Oakland, CA, Minor damage. Pilot unable to lower landing gear.

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